<template>
  <div id="statistics" :style="style"></div>
</template> 

<script>


export default {
  data() {
    return {
      msg: "Welcome to Your Vue.js App",
      style: {
        width: "300px",
        height: "300px",
      },
    };
  },
  mounted() {
    let that = this;
    // 初始化
    window.fullHeight = document.documentElement.clientHeight;
    window.fullWidth = document.documentElement.clientWidth;
    that.windowHeight = window.fullHeight; // 高
    that.windowWidth = window.fullWidth; // 宽
    this.style.height = that.windowHeight/100*40;
    this.style.width = that.windowWidth/100*18;
    this.drawLine();
  },
  methods: {
    drawLine() {
      // 基于准备好的dom，初始化echarts实例
      let myChart = this.$echarts.init(document.getElementById("statistics"));
      // 绘制图表
      myChart.setOption({
        title: { text: "在Vue中使用echarts" },
        tooltip: {},
        xAxis: {
          data: ["衬衫", "羊毛衫", "雪纺衫", "裤子", "高跟鞋", "袜子"],
        },
        yAxis: {},
        series: [
          {
            name: "销量",
            type: "bar",
            data: [5, 20, 36, 10, 10, 20],
          },
        ],
      });
    },
  },
};
</script>

<style scoped>

</style>